[Bug target/91749] New: [10 Regression] ICE in arm_asm_trampoline_template, at config/arm/arm.c:3973

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91749

            Bug ID: 91749
           Summary: [10 Regression] ICE in arm_asm_trampoline_template, at
                    config/arm/arm.c:3973
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: clyon at gcc dot gnu.org, mickael.guene at st dot com
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: arm-none-eabi-gcc

Started probably with the addition of the option (r27556):

$ arm-linux-gnueabi-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20000822-1.c
-mflip-thumb -mfdpic
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20000822-1.c:
In function ‘main’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20000822-1.c:24:5:
warning: implicit declaration of function ‘abort’
[-Wimplicit-function-declaration]
   24 |     abort ();
      |     ^~~~~
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20000822-1.c:24:5:
warning: incompatible implicit declaration of built-in function ‘abort’
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20000822-1.c:1:1:
note: include ‘<stdlib.h>’ or provide a declaration of ‘abort’
  +++ |+#include <stdlib.h>
    1 | /* { dg-require-effective-target trampolines } */
during RTL pass: expand
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20000822-1.c:
In function ‘f1’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20000822-1.c:8:5:
internal compiler error: in arm_asm_trampoline_template, at
config/arm/arm.c:3973
    8 | int f1(void)
      |     ^~
0x59343d arm_asm_trampoline_template
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/config/arm/arm.c:3973
0xcdb1c4 assemble_trampoline_template()
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/varasm.c:2691
0xd04630 arm_trampoline_init
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/config/arm/arm.c:4028
0x67d607 expand_builtin_init_trampoline
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/builtins.c:5792
0x68bd71 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/builtins.c:7917
0x79576e expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/expr.c:11072
0x6a7dd9 expand_expr
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/expr.h:281
0x6a7dd9 expand_call_stmt
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cfgexpand.c:2731
0x6a7dd9 expand_gimple_stmt_1
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cfgexpand.c:3710
0x6a7dd9 expand_gimple_stmt
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cfgexpand.c:3875
0x6aca0f expand_gimple_basic_block
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cfgexpand.c:5915
0x6aee46 execute
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cfgexpand.c:6555
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

$ ~/BIG/bin/arm/dev/shm/buildbot/install/gcc/bin/arm-linux-gnueabi-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/ipa/ipcp-cstagg-6.c -mfdpic
-mflip-thumb -Ofast -mandroid -c
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/ipa/ipcp-cstagg-6.c: In
function ‘bar.constprop’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/ipa/ipcp-cstagg-6.c:27:1:
error: unrecognizable insn:
   27 | }
      | ^
(insn 7 6 8 2 (set (reg:SI 114)
        (mem/u/c:SI (plus:SI (reg:SI 9 r9)
                (unspec:SI [
                        (symbol_ref:SI ("*.LANCHOR0") [flags 0x182])
                    ] UNSPEC_PIC_SYM)) [0  S4 A32])) -1
     (expr_list:REG_EQUAL (symbol_ref:SI ("*.LANCHOR0") [flags 0x182])
        (nil)))
during RTL pass: vregs
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/ipa/ipcp-cstagg-6.c:27:1:
internal compiler error: in extract_insn, at recog.c:2310
0x5843d1 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/rtl-error.c:108
0x5843ed _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/rtl-error.c:116
0x5838a8 extract_insn(rtx_insn*)
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/recog.c:2310
0x7e0033 instantiate_virtual_regs_in_insn
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/function.c:1606
0x7e0033 instantiate_virtual_regs
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/function.c:1976
0x7e0033 execute
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/function.c:2025
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.